book2 unit4语言点
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Book 2, Unit 4
[一]Words and expressions
1.w ild adj. 野生的;野的;未开发的;荒凉的; 狂热的, 疯狂的
wild ness n. 野生;野蛮
wildly adv. 野生地,野蛮地
wildwood n. 自然林;原始林
wildlife n. 野生动植物
in the wild
be wild with joy 欣喜
go crazy/ wild
eg. It made me wild to see such cruelty. 看到如此的残忍,我都要疯了。
2.d ecrease vi. vt. 减少,(使)变小;或变少;降低
decreased (increase/rise) by/to
eg. Students numbers have decreased by50. 学生人数减少50名。
拓展:n. “减少,降低”“减弱,减轻”
(1)decrease in sth.在……方面的减少
eg. There is a decrease of 3% in the rate of inflation.通货膨胀率降低3%。
(2)on the decrease 在减少
eg. Is crime on the decrease in this area? 该地区案件是否在减少?
(3)反义词:increase 增加
eg. There has been a steady decrease in the number of visitors. (n.)
游客的数量持续下降。
There has been a 6% decrease in his income. (n.)
他的收入下降了6%。
We have decreased our demand for paper.我们减少了用纸的需求。(vt.)
The number of whales has decreased sharply this year. (vi.)
今年鲸鱼的数量急剧下降。
3.d anger n.---in danger (of)
dangerous adj.
endanger vt.
4.d ie out 灭亡;逐渐消失
eg. There are many reasons for animals dying out. 动物灭绝的原因有很多。
Many animals have died out in the past decades.在过去几十年里,许多动物灭绝了。拓展:die of / from 由于……而死亡
die away 逐渐停止;逐渐消失
die down 逐渐减弱;逐渐模糊
die off 相继死去
eg. He hid behind the door until the footsteps had died away.
他一直躲在门后面,直到脚步声渐渐远去,完全消失。
5.h unt vt. vi. 打猎;猎取;搜寻hunt for
hunter n. 猎人
eg. We’ve been hunting for the lost boy all over.
我们一直在到处寻找那失踪的男孩。
5.in peace和平地;和睦地;安详地
eg. The countries live together in peace with one another.这些国家和平相处。
May he rest in peace. 愿他安息。
拓展:(1)相关短语:
keep the peace
make one’s peace with sb. 与某人和解(尤指主动道歉)
make peace (指两人,两国等)和解
(2) 派生词:peaceful a dj. 和平的;爱好和平的;安宁的
peacefully adv. 和平地;安宁地6.i n danger (of) 在危险中;垂危opp.out of danger
eg. The bridge is in danger of collapse.桥要塌了。
in charge(of)
7.respond vi. 回答;响应;做出反应
eg. She asked where he’d been, but he didn’t respond. 她问他到什么地方去了,他却不回答。
How does the lady respond when she hears the news? 当这位女士听到这个消息时,她的反应如何?
拓展:(1) respond (to sb. / sth.) (with sth.) “用……回答….”或“用……对……做出反应.”
(2) response n. 回答;作答;反应;回响
in response (to) 作为(对……的)回答/反应
eg.The government acted in response to economic pressure.政府为对付经济压力而采取了行动.
8.distant adj. 远的;远处的(far away in space or time)
eg. The airport is about ten miles distant from the city.机场距离城市大约十米远。
拓展:(1)distant 还指①(指人)远亲的②(指